2:35 PM - 2:50 PM
*Natsuo Sato1,2, Akira S Yukimatu1,2, Yoshimasa Tanaka1,2, Tomoaki Hori,3,4, Akira Kadokura1,2 (1.National Institute of Polar Research, 2.SOKENDAI, 3.Institute for Space-Earth Environment Research, Nagoya University, 4.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo)